diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 080dade5e80f3c4f49c4162626f0e08bd062b27c..5e3c1b6848596f39837d408591bfa6ea749626b3 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -934,7 +934,7 @@ static struct tpm_input_header savestate_header = {
  */
 int tpm_pm_suspend(struct device *dev)
 {
-	struct tpm_chip *chip = to_tpm_chip(dev);
+	struct tpm_chip *chip = dev_get_drvdata(dev);
 	struct tpm_cmd_t cmd;
 	int rc, try;
 
@@ -995,7 +995,7 @@ EXPORT_SYMBOL_GPL(tpm_pm_suspend);
  */
 int tpm_pm_resume(struct device *dev)
 {
-	struct tpm_chip *chip = to_tpm_chip(dev);
+	struct tpm_chip *chip = dev_get_drvdata(dev);
 
 	if (chip == NULL)
 		return -ENODEV;